R.I.P. CAPTCHA

CAPTCHA Wikimedia Commons Say good-bye to CAPTCHA, the boxes of warped text that separate humans from bots online. AI company Vicarious claims to have developed an algorithm that can pass the test about 90 percent of the time. What will save us from spam now? These alternatives could come to a site near you. Two-step verification Validate your user name with a confirmation code sent to your phone or e-mail. Games Solve puzzles, draw shapes, or describe pictures. Timers If a form is filled out an...